/*	Convergent Technologies - System V - May 1983	*/
/*	"@(#)vmsystm.h	1.4"	*/

#ifndef vmsystm_h
#define vmsystm_h

/*
 * Miscellaneous virtual memory subsystem variables and structures.
 */

extern int freemem;		/* remaining blocks of free memory */
extern int multprog;		/* current multiprogramming degree */

/* writable copies of tunables */
extern int maxpgio;		/* max paging i/o per sec before start swaps */
extern int maxslp;		/* max sleep time before very swappable */
extern int lotsfree;		/* max free before clock freezes */
extern int minfree;		/* minimum free pages before swapping begins */
extern int desfree;		/* no of pages to try to keep free via daemon */
extern int saferss;		/* no pages not to steal; decays with slptime */

extern struct pte *xptohpte();

#endif
